PAM8403 Audio Module DC 5V Mini Class-D digital amplifier board

  • $1.50

 (0 reviews)
  • Brand: China
  • Product Code: NH-69
  • Availability: In Stock
  • Weight: 0.10kg
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PAM8403 Audio Module DC 5V Mini Class-D digital amplifier board


  • Can use the computer USB port 5V power supply
  • or using a mobile phone charger USB port 5V power supply
  • battery power can also be used
  • high efficiency:90%
  • can provide 3W (left channel) +3 W (right channel) output power in the 4¦? load and 5V power supply conditions
  • A class, B class amplifier such efficiency is only about 30%
  • D class amplifier is highly respected today
  • D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
  • but do not add heat sink and take less space
  • noise canceling circuit was built in the amplifier board
  • power on / off without pop noise
  • module has a short-circuit current protection and over-temperature protection
  • Application:
  • LCD TVs, monitors,
  • Laptop
  • Portable Speakers
  • Portable DVD players, game consoles
  • Phone / speakerphone


  • Operating voltage: 2.5V-5.5V
  • Speaker With:4-8ohms recommended:4 ohms
  • Speaker Power :2-8W
  • Size:21 x 18 x 3.4mm(L x W x H)
  • Color:As the pics show
  • Net weight:1g
  • Package weight:11g

Package include:

  • 1 x amplifier board

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Tags: pam8403, audio, module, mini, class-d, digital, amplifier, board, modules

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